firefox: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Secu...
CVE-2026-56208 is fixed in 16 products on 1 platform, first by aom-tools 3.3.0-1ubuntu0.1+esm1, released June 19, 2026. It is not reported as exploited. Patch Radar priority: High.
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fix(es): * libaom: libaom: heap buffer overflow in AV1 encoder first-pass stats buffer via LAP mode (CVE-2026-56208) * firefox: thunderbird: Site isolation issue in the DOM: Navigation component (CVE-2026-15719) * firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component (CVE-2026-15718) * firefox: thunderbird: Mitigation bypass in the Enterprise Policies component (CVE-2026-16390) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: cubeb component (CVE-2026-16350) * firefox: thunderbird: Information disclosure in the Storage: IndexedDB component (CVE-2026-16391) * firefox: thunderbird: Site isolation issue in the Networking: HTTP component (CVE-2026-16375) * firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-16356) * firefox: thunderbird: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-16363) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.13 and Firefox 153 (CVE-2026-16412) * firefox: thunderbird: Same-origin policy bypass in the Networking: DNS component (CVE-2026-16381) * firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-16355) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.38 and Firefox ESR 140.13 (CVE-2026-16361) * firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-16352) * firefox: thunderbird: Incorrect boundary conditions in the JavaScript: WebAssembly component (CVE-2026-16368) * firefox: thunderbird: Mitigation bypass in the PDF Viewer component (CVE-2026-16377) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.38, Firefox ESR 140.13 and Firefox 153 (CVE-2026-16360) * firefox: thunderbird: Use-after-free in the WebRTC: Audio/Video component (CVE-2026-16362) * firefox: thunderbird: Site isolation issue in the Graphics: WebRender component (CVE-2026-16358) * firefox: thunderbird: Site isolation issue in the Networking component (CVE-2026-16387) * firefox: thunderbird: Same-origin policy bypass in the DOM: Navigation component (CVE-2026-16349) * firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-16357) * firefox: thunderbird: Sandbox escape due to use-after-free in the DOM: Navigation component (CVE-2026-16351) * firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-16371) * firefox: thunderbird: Privilege escalation in the DOM: Content Processes component (CVE-2026-16379) * firefox: thunderbird: Information disclosure in the Graphics: ImageLib component (CVE-2026-16354) * firefox: thunderbird: Information disclosure in the Framework component in DevTools (CVE-2026-16374) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-16359) * firefox: thunderbird: Mitigation bypass in the DOM: Networking component (CVE-2026-16383) * firefox: thunderbird: Integer overflow in the JavaScript: WebAssembly component (CVE-2026-16369) * firefox: thunderbird: Invalid pointer in the DOM: Bindings (WebIDL) component (CVE-2026-16353) * firefox: thunderbird: Privilege escalation in WebExtensions (CVE-2026-16396) * firefox: thunderbird: Information disclosure in the Networking: WebSockets component (CVE-2026-16405) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| SVT-AV1 · sles 15.6 | 1.8.0-150600.3.2.5 | SUSE-SU-2026:3224-1 | Jul 23, 2026 |
| SVT-AV1 · sles 15.7 | 1.8.0-150600.3.2.5 | SUSE-SU-2026:3224-1 | Jul 23, 2026 |
| aom · Debian 12.15 (bookworm) | 3.6.0-1+deb12u3 | DEBIAN-CVE-2026-56208 | Jun 19, 2026 |
| aom · Debian 13.5 (trixie) | 3.12.1-1+deb13u1 | DEBIAN-CVE-2026-56208 | Jun 19, 2026 |
| aom · Debian 14 | 3.14.1-1 | DEBIAN-CVE-2026-56208 | Jun 19, 2026 |
| aom · Fedora 43 | 3.15.2-1.fc43 | FEDORA-2026-FD075F5751 | Nov 7, 2026 |
| aom-debuginfo · Fedora 43 | 3.15.2-1.fc43 | FEDORA-2026-FD075F5751 | Nov 7, 2026 |
| aom-debugsource · Fedora 43 | 3.15.2-1.fc43 | FEDORA-2026-FD075F5751 | Nov 7, 2026 |
| aom-tools · Ubuntu 22.04.1 LTS (jammy) | 3.3.0-1ubuntu0.1+esm1 | aom-tools 3.3.0-1ubuntu0.1+esm1 | Jun 19, 2026 |
| aom-tools · Ubuntu 24.04.5 LTS (noble) | 3.8.2-2ubuntu0.2 | aom-tools 3.8.2-2ubuntu0.2 | Jun 19, 2026 |
| aom-tools · Ubuntu 26.04.1 LTS (resolute) | 3.13.1-2ubuntu0.1 | aom-tools 3.13.1-2ubuntu0.1 | Jun 19, 2026 |
| firefox · RHEL 10 | 140.13.0-1.el10_0 | RHSA-2026:54181 | Jul 31, 2026 |
| firefox · RHEL 8 | 0:140.13.0-1.el8_10 | RHSA-2026:47105 | Jul 31, 2026 |
| firefox · RHEL 9 | 0:140.13.0-1.el9_8 | RHSA-2026:47104 | Aug 5, 2026 |
| firefox · almalinux 8 | 140.13.0-1.el8_10.alma.1 | ALSA-2026:47105 | Jul 28, 2026 |
| firefox · almalinux 9 | 140.13.0-1.el9_8.alma.1 | ALSA-2026:47104 | Jul 28, 2026 |
| firefox · amzn 2023 | 140.12.0-1.amzn2023.0.1 | ALAS2023-2026-1928 | Jul 6, 2026 |
| firefox · ol 8 | 0:140.13.0-1.0.1.el8_10 | ELSA-2026-47105 | Jul 28, 2026 |
| firefox · ol 9 | 0:140.13.0-1.0.1.el9_8 | ELSA-2026-47104 | Jul 29, 2026 |
| firefox · rocky 8 | 0:140.13.0-1.el8_10 | RLSA-2026:47105 | Jul 29, 2026 |
| firefox · rocky 9 | 0:140.13.0-1.el9_8 | RLSA-2026:47104 | Aug 3, 2026 |
| firefox-debuginfo · amzn 2023 | 140.12.0-1.amzn2023.0.1 | ALAS2023-2026-1928 | Jul 6, 2026 |
| firefox-debugsource · amzn 2023 | 140.12.0-1.amzn2023.0.1 | ALAS2023-2026-1928 | Jul 6, 2026 |
| firefox-x11 · RHEL 9 | 0:140.13.0-1.el9_8 | RHSA-2026:47104 | Aug 5, 2026 |
| firefox-x11 · almalinux 9 | 140.13.0-1.el9_8.alma.1 | ALSA-2026:47104 | Jul 28, 2026 |
| firefox-x11 · ol 9 | 0:140.13.0-1.0.1.el9_8 | ELSA-2026-47104 | Jul 29, 2026 |
| libaom · Fedora 43 | 3.15.2-1.fc43 | FEDORA-2026-FD075F5751 | Nov 7, 2026 |
| libaom · opensuse-leap 16.0 | 3.11.0-160000.3.1 | OPENSUSE-SU-2026:21061-1 | Jun 25, 2026 |
| libaom · sles 15.6 | 3.7.1-150600.3.9.1 | SUSE-SU-2026:3224-1 | Jul 23, 2026 |
| libaom · sles 15.7 | 3.7.1-150600.3.9.1 | SUSE-SU-2026:3224-1 | Jul 23, 2026 |
| libaom · sles 16.0 | 3.11.0-160000.3.1 | SUSE-SU-2026:22369-1 | Jun 25, 2026 |
| libaom-debuginfo · Fedora 43 | 3.15.2-1.fc43 | FEDORA-2026-FD075F5751 | Nov 7, 2026 |
| libaom-devel · Fedora 43 | 3.15.2-1.fc43 | FEDORA-2026-FD075F5751 | Nov 7, 2026 |
| libaom-devel-doc · opensuse-leap 16.0 | 3.11.0-160000.3.1 | OPENSUSE-SU-2026:21061-1 | Jun 25, 2026 |
| libaom-devel-doc · sles 15.6 | 3.7.1-150600.3.9.3 | SUSE-SU-2026:3224-1 | Jul 23, 2026 |
| libaom-devel-doc · sles 15.7 | 3.7.1-150600.3.9.3 | SUSE-SU-2026:3224-1 | Jul 23, 2026 |
| libaom-devel-docs · Fedora 43 | 3.15.2-1.fc43 | FEDORA-2026-FD075F5751 | Nov 7, 2026 |
| libaom3 · Ubuntu 22.04.1 LTS (jammy) | 3.3.0-1ubuntu0.1+esm1 | libaom3 3.3.0-1ubuntu0.1+esm1 | Jun 19, 2026 |
| libaom3 · Ubuntu 24.04.5 LTS (noble) | 3.8.2-2ubuntu0.2 | libaom3 3.8.2-2ubuntu0.2 | Jun 19, 2026 |
| libaom3 · Ubuntu 26.04.1 LTS (resolute) | 3.13.1-2ubuntu0.1 | libaom3 3.13.1-2ubuntu0.1 | Jun 19, 2026 |
| libyuv · sles 15.6 | 20230517+a377993-150600.3.4.2 | SUSE-SU-2026:3224-1 | Jul 23, 2026 |
| libyuv · sles 15.7 | 20230517+a377993-150600.3.4.2 | SUSE-SU-2026:3224-1 | Jul 23, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.